z/OS Mainframe Storage Engineer

NTT Limited; Madrid; Presencial; EUR 90.000 - 130.000; Jornada completa

Descripción de la vacante

NTT DATA in Madrid seeks a highly skilled z/OS Mainframe Storage Engineer to manage and optimize enterprise storage infrastructure. You will oversee disk and tape storage, backup and disaster recovery, capacity planning, and storage software lifecycle management across IBM z/OS environments.

The role requires deep expertise in IBM DS8000 storage, z/OS IODF administration, and related tools, with a focus on reliability, performance, and cross-team collaboration in a global enterprise.

Formación

• 8 to 15+ years of mainframe storage experience.
• Hands-on experience with IBM DS8000 storage.
• Experience in regulated enterprise environments (banking/FSI) preferred.
• Strong analytical and problem-solving skills; excellent communication.

Responsabilidades

• Ensure high availability and performance of enterprise storage.
• Monitor storage utilization, performance, and health across environments.
• Contribute to security, governance, and operational standards.
• Manage storage growth and long-term capacity planning.
• Support software installations, maintenance, and migrations.
• Participate in disaster recovery planning and testing.

Conocimientos

Mainframe storage

z/OS administration

DS8000 storage

Backup & recovery

Disaster recovery planning

Herramientas

DSCLI

PPRC

z/OSMF

SMP/E

NetView

Descripción del empleo

Continue to make an impact with a company that is pushing the boundaries of what is possible. At NTT DATA, we are renowned for our technical excellence, leading innovations, and making a difference for our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can continue to grow, belong, and thrive. Your career here is about believing in yourself and seizing new opportunities and challenges. It’s about expanding your skills and expertise in your current role and preparing yourself for future advancements. That’s why we encourage you to take every opportunity to further your career within our great global team.

Your day at NTT DATA

We are seeking a highly skilled z/OS Mainframe Storage Engineer to manage, support, and optimize enterprise mainframe storage infrastructure. This role is responsible for the installation, configuration, administration, maintenance, monitoring, and modernization of storage platforms supporting IBM z/OS environments. The successful candidate will oversee all aspects of storage management, including disk and tape storage, backup and recovery, disaster recovery, storage capacity planning, replication technologies, and storage software lifecycle management. The role also involves infrastructure design, hardware upgrades, automation initiatives, and proactive monitoring to ensure maximum performance, availability, and resilience of business-critical systems. The ideal candidate will possess deep expertise in IBM mainframe storage technologies, strong problem-solving skills, and the ability to collaborate across infrastructure, operations, and application support teams within a complex enterprise environment.

• Manage all aspects of mainframe disk and storage administration, including installation, removal, upgrades, updates, provisioning, restoration, and ongoing support.
• Perform daily operational activities, including health checks, incident management, monitoring, and issue resolution.
• Plan and implement storage capacity expansions and infrastructure changes.
• Configure, administer, and maintain storage resources supporting databases, VSAM files, work datasets, and sort spaces.
• Administer and support storage management products including CA Disk and related utilities.
• Install, test, evaluate, and maintain storage hardware and software solutions.
• Perform z/OS hardware planning activities including IODF maintenance, LPAR configuration, HMC administration, and associated system changes.
• Administer backup, recovery, archival, and disaster recovery solutions.
• Install, maintain, and upgrade storage-related products using SMP/E and z/OSMF.
• Manage storage volume allocation, capacity planning, and utilization reporting.
• Support and participate in disaster recovery testing and recovery exercises.
• Perform root cause analysis for storage-related incidents and implement preventive actions.
• Collaborate with systems programming, network, database, and application teams to ensure seamless service delivery.
• Utilize automation tools such as NetView, System Automation (SA), CA OPS/MVS, and similar products to improve operational efficiency.
• Automate repetitive storage administration and monitoring tasks.
• Design, implement, and support IBM zSeries storage architectures and solutions.
• Ensure compliance with organizational security, governance, and operational standards.
• Maintain technical documentation, operational procedures, and support runbooks.

Required Qualifications

• Typically 8 to 15+ years of experience in Mainframe Infrastructure and z/OS Storage Administration.
• Strong hands-on experience supporting IBM z/OS storage environments in large-scale enterprise organizations.
• Experience with IBM DS8000 series storage, virtual tape systems, disaster recovery solutions, and storage management products.
• Proven experience managing storage capacity, backup and recovery, replication technologies, and enterprise storage operations.
• Experience working in Banking, Financial Services, Insurance, or other highly regulated, mission-critical environments preferred.
• Strong expertise in: IBM DS8000 Series Storage (DS8870, DS8K Family) DSCLI GDPS PPRC Metro Mirror DFHSM DFDSS ICKDSF SMS RMM Customization z/OS IODF Administration
• Experience installing and upgrading IBM storage hardware and software.
• Strong understanding of: Mainframe Disk Storage Management Storage Provisioning Capacity Planning Backup & Recovery Disaster Recovery
• Experience supporting: TS7720 Virtual Tape Systems Storage Grid Architectures PPRC Replication Environments
• Experience with EMC DLm Virtual Tape systems including installation, upgrade, and configuration.
• Experience with Broadcom/Brocade storage networking solutions and FICON connectivity.
• Strong knowledge of: z/OS JCL Job Scheduling Mainframe Storage Infrastructure
• Experience utilizing SMP/E and z/OSMF for software maintenance and deployment.
• Strong analytical, troubleshooting, and problem-solving skills.
• Excellent verbal and written communication skills.

Desired Qualifications

• Experience with: CA-1 CA Vantage CA Disk TDMF/TDMFS NetView System Automation (SA z/OS) CA OPS/MVS
• Knowledge of storage performance monitoring and reporting tools.
• Experience with enterprise-scale storage migration projects.
• Familiarity with storage automation and infrastructure modernization initiatives.
• Understanding of IBM Parallel Sysplex and GDPS high availability architectures.
• Experience supporting global data centers and geographically dispersed environments.
• Exposure to audit, compliance, and regulatory requirements within financial services organizations.
• IBM Storage or IBM Z certifications preferred.

Job Expectations

• Ensure high availability, resilience, and optimal performance of enterprise storage infrastructure.
• Proactively monitor storage utilization, performance, and health across all environments.
• Maintain compliance with security, governance, audit, and operational standards.
• Manage storage growth and perform long-term capacity planning activities.
• Participate in software installations, maintenance activities, infrastructure upgrades, and storage migrations.
• Support critical incident resolution and contribute to root cause analysis initiatives.
• Participate in disaster recovery planning, testing, and execution activities.
• Provide after-hours and weekend support for maintenance windows and production incidents as required.
• Drive operational excellence through automation, standardization, and continuous improvement.
• Collaborate with global infrastructure teams, vendors, and business stakeholders to deliver reliable and scalable storage solutions.
• Maintain accurate documentation, implementation plans, and operational procedures.
• Demonstrate strong ownership, accountability, and technical leadership in managing mission-critical storage services.

Primary Skillset

• IBM DS8000 (DS8K / DS8870) Storage Administration
• DSCLI GDPS PPRC Metro Mirror DFHSM DFDSS ICKDSF SMS RMM Customization
• TS7720 Virtual Tape Systems
• EMC DLm Virtual Tape
• zOS IODF Administration
• HMC & LPAR Management
• SMP/E z/OSMF
• Mainframe Backup & Recovery
• Disaster Recovery Planning & Execution
• Storage Capacity Management
• FICON Storage Networking

Workplace type: Equal Opportunity Employer NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category.

Your career here is about believing in yourself and taking on great opportunities and new challenges. It's about growing your skills and expertise in your current role and preparing yourself for the future. That’s why we encourage you to take every opportunity to grow your career within our great global team.